Elsewhere, Russia's Andrey Rublev beat Argentinian qualifier Facundo Bagnis 6-4, 6-4 and will meet Poland's Hubert Hurkacz in the next round.
In the women's draw, former world no.1 Angelique Kerber, the 15th seed, lost 6-3, 6-1 to the Czech Republic's Katerina Siniakova, who now faces Daria Kasatkina of Russia.
Top women's seed Simona Halep made a winning return a month after winning in Prague as she disposed of 99th-ranked Italian Jasmine Paolini 6-3, 6-4.
"I intend to prove my qualities to my critics. This attitude helps me at Schalke get over tough times with my team," the 2015 Belgian champion said.
Both sides were positive from the start, with both Uzbek and Saudi league champions looking to gain further ground on Shabab Al-Ahli and Shahr Khodro FC, the former having narrowly beaten the latter 1-0 in Monday's early Group B game.
League leaders Saint-Etienne wasted a two-goal lead and missed out on a fourth straight win after drawing 2-2 at Nantes.
BERLIN, Sept. 19 (Xinhua) -- Hertha Berlin recovered from their first round German Cup exit to crush Werder Bremen 4-1, while Hoffenheim overpowered a resilient Cologne side 3-2 thanks to Andrej Kramaric's last-gasp goal in the opening round of the 2020/21 Bundesliga on Saturday.
"I think it's an amazing feeling. I was waiting for this moment for a long time and I am very, very happy to be here," he said on Liverpool's official website.
In the gala, Shaanxi announced five image ambassadors of the major tournaments. Olympic diving champion Qin Kai is in the list. Besides him, Chinese famous actress Yan Ni, 'anti-pandemic hero' Han Jianfeng, Tai Chi player Wu Yanan and swimming coach Liu Nan are in the roster.
The pair were then taken to Spurs' training ground in Enfield, where Bale was given a rapturous welcome by fans who had waited outside of the ground to greet him.
Suarez was not included in the squad for the game and the first question Koeman had to field from Catalan TV network, TV3 was about the striker as the Uruguayan continues to train apart from the rest of the squad ahead of a possible transfer.